for-each-ref: Fix --format=%(subject) for log message without newlines

diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index 21e92bbcb577c0361df51bd81e6fb5ab546619ea..be9dc9e3f0dbbd9bdda20db7fd5c5fad8e427bd2 100644 (file)
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c
@@ -321,8 +321,8 @@ static const char *find_wholine(const char *who, int wholen, const char *buf, un
 static const char *copy_line(const char *buf)
 {
        const char *eol = strchr(buf, '\n');
-       if (!eol)
-               return "";
+       if (!eol) // simulate strchrnul()
+               eol = buf + strlen(buf);
        return xmemdupz(buf, eol - buf);
 }